unitedhealthcare. >>> welcome back tonight. millions of jenni rivera's fans are mourning her death in a plane crash. her family reeling from the scene. at the crash site in northern mexico, seven people were on board the learjet. no survivors. it's not yet known what caused the plane to go down. fans admired her not only for her strength but her powerful voice. her album helped put rivera on the map, and some believe her legacy could eclipse that of selena's. here's her story. ♪ singer jenni rivera was a household name to millions in the u.s. and mexico. she released her first album in 1999 and her popularity exploded. she went on to sell more than 15 million records, making her one of the most popular latin artists of the past two decades. she recently won two billboard music awards and was nominated for several latin grammy awards. magazine "people in espanol" named her to the list of 25 most powerful women. ♪ known as the diva, her audience was drawn to her powerhouse spanish language performances of mexican ballads. spe